Improvement in etiectro-magnetic machines



No. 93,525. 'PATBNTED AUG. 1o, 1869. J. Kwam.

ELEGTRQMAGNBTIG MACHINE,

lnitrd' tantyJEROME -K-IDDER, O NEW YO`RK. N,,Y

.Letters Patent N 93,625, dated August 10,1869.

IMPROVEMENT IN'A ELECTRO-MAGNETIC MACHINES.

The Schedule referred to ln these Lettera Patent and making part 0f i116 Balma To all whmn it Amay conczrn Be it known that I, JEROME Klonen, of the city, county, and State of New York, have invented certain newand useful Improvements in Electro-Magnetic Machines; andI do hereby declare that the following is a full, clear, and exact description 'ot' the same, reference being had to the accompanying drawings, forming pai-tof thisvspecitication, in whichl l .Figure X is a plan view of machine with my'improvelnents, .having the covers removed.v

Figure X is a vertical longitudinal section of the same. l

Figure X is an inverted plan, showing the connections of the dit'erent circuits.

Figure X' exhibits a modification ofthe vibrating arma-ture, which constitutes one of the features of my invention.

Figure X is a face-view ot' a niovablehammer-- header piece, to be used on the vibrating armature.

Similar letters ot reference indicate corresponding parts in the several figures.

' My invention consists, first, in intorposing a helix into. the primary circuit otau electro-magnetic machine, in addition to the helix used for the principal primary circuit, said additiohal helix being for the purpose of reducing the power of the induced currents by its ottice ot' reducing the primary current, by acting as a resist ing medium to tlic same.

1t also consists in arranging a vibrating armature -(which, by its oscillations, break .the primary current,) m such-a manner that its` hammer in its-oscillations will not'strikc the magnet that attracts it, and at the same time have this lnnnmcrvery close to the magnet,

so that the machine will 4run well with a low power. ot'

battery.

' My invention further consists in n point for conne-cA tion with spring to close the battery-circuit, so 'arranged that the alternate connection b v the vibrating spring can be changed vto a permanent connection ot' support to shorten the spring, and so vary, in a greater degree, the rapidity or slowness ot' the vibrations or oscillations ot'suid spring.

.lo-morc l'ullv illustrato my invention, in diagram N and 0-a-re metallic pieces, with saw-cuts in top, which pieces pass through the side of the box,con necting with the wires N O' underneath.

P is a metallic part passing through the box, and

,connecting with the wire W, underneath.

fand after traversing with convolntions the length of the helix and back again, appears at 2, and is thence continned and joined with the metal R.

.3 is the first end of a'coil of finer wire, jo ined with the wire 2, and after passing with its convolutions the length ofthe helix and back again, appears at 4, and

is thence continued-and joined with R". j

5 is the first end of a still smaller insulatedavire, joined also with It", and a'iter, passing with its convoo lotions twice backward and forward, nearly' the whole 'I A'length of the helix, appears'at 6, and is joined to Rf.

7 is the first end of a still finer coil of insulated wire, which, after passing,r with its convolutions several timesthe length of the helix, appeals at 8, and is joined to Rm.

S is a metallic plug, fitted .to join 1 v with R or 1t".

T is the knob on the end of a copper tube, which is movable, .and closes over all the coils ot the com- .bined helices.

U is'a wire,connecting R and 0' and K.

- V is navire, connecting M with Hl lhe machine operatesthus:

The plug S, closing with P and R".

The screw L, tnrne'd to close K with M, and the screw I' touching the spring F;

The screw J, turned back so as not totouclrthisspring when it oscillates.

The battery being connected with its positive'pol'eat N' and its negative at 0.

It will be seen that the positivc'current orinueucc from the battery traverses, enters the inner heli; ot'

known, are produced bythe interruption ofthe primary.

circuit, which interruption is caused by the magnetized ring l) attracting the hammer E, so as to draw the spring away from the screw I.

It will 'be seen that the hammen'in itsl oscillations,

will not 'strikethe ring D, but will pass within the cylinder formed by Ait, thus avoiding a jarring noise and harsh vibrations, which belong to, and are not recognized in the Fig. X, where the hammer E, though near to the magnet G, will not strike the magnet in. its oscillations.

Also, the hammer could be a tubea'ibi'atiiig over a narrowed point or portion of the magnet.

' 1t will be further seen in Fig. X', it' the screw L he' turned so as to touch the spring l" and removed from Y M; and if the .screw J be turned so as to bind the spring F irmly against the screw I, then the length of the oscillating portion-cf this spring is shortened', and makes more rapid vibrations.

It Willvbe further seen, that it' the metallic plug S be removed from P R", and placed Saas-to close. l li', then the primary current will traverse only the inner coil of coarscst wire, leaving out of its circuit the next added resisting coil 0f finer wire, the result of which will be to make the power of the induced currents of immense powenheeausc of a betterladapred proportion for thegreat nowvr required in some cases.

As. the tube T will not, in this latter case, cnt o' all thispower by being introduced, it will be seen that the arrangement to elosethe battery through one or more coils, will het-ter iicilitate'the adaptation of the power ot' electrimil currents 'to the 'varied theral'reutical demands of electricity.

What I claim as new, and desire to secure by Let-l ters latent. is-

1. An additional helix, introduced into the primary circuit of un electromagnetic machine, operating sub-v stantially as and for the purpose herein set forth.

2. The arrangement of tlie'relation of the ribiating hammer 1'] with a iixed'magnet, 1), so that in its oscillations the han'nner willnot strike said 1na, :\;net,suh

stantizdly :is and for the, purpose set forth.

o. '.lhe additional point of vituref the spring to hv. free. or fixed, at option, as :it H, constructed and loperating substantially as and for the purpose herein Set forth.

` JEROME KIDDER.

Witnesses:

FRED. Harmes, J. W. Commis. 

